Method and apparatus for determining the cloud point of oil
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United States of America Patent
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Jan 13, 1998
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N/A
app pub date -
Jul 9, 1996
filing date -
Jan 19, 1994
priority date (Note) -
Expired
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Abstract
The invention concerns a method and an apparatus for determination of the cloud point of oil. In the method according to the invention the cloud point is determined from a turning point on the oil cooling curve. The method of the invention may be realized in an apparatus comprising a cooling jacket for cooling the oil sample, a measuring space essentially shaped as oppositely located cones, a temperature indicator for determination of the oil cooling curve. With the invention the cloud point of oil can be determined quickly and reliably, the measuring cell of the invention allows a very high degree of exactitude in measurements, the measurement results are well reproducible and the invention makes it possible to bring about a method and an apparatus allowing a fully automatic operating analyzer for determination of the cloud point of oil.
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